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Actively exploited · Published May 14, 2013 · Assigned by redhat

CVE-2013-2094

High 8.4 Exploited

In plain English

A high-severity security flaw in Kernel from Linux. Attackers are actively exploiting it in the wild (listed by CISA on September 15, 2022). The chance it is exploited in the next 30 days is estimated at 47.7% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)47.7%top 1.1% of all CVEs
Exploited in the wildYesCISA KEV since Sep 15, 2022
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Oct 6, 2022.

Official description

The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux3.8.11-1DEBIAN-CVE-2013-2094
Debian:13linux3.8.11-1DEBIAN-CVE-2013-2094
Debian:14linux3.8.11-1DEBIAN-CVE-2013-2094

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References